window repair spring in channel

Handy Person from minnesota
Looking for possible replacement parts for old 1950? Windows channel is 53" long. Each double hung has there own channels. Channel is 5/8" wide with interior spring. Not sure what it's called.
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Casey
Casey from SWISCO
SWISCO
Expert

Hello,

It looks like you need new jamb liners, which use springs to support the weight of the window sash. Unfortunately, we do not carry these parts used for older wood windows but a local millwork may be able to assist you. Thank you!

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